Credit: NASA The Republic of Latvia will sign the Artemis Accords during a ceremony at 9 a.m. EDT Monday, April 20, at NASA Headquarters in Washington. NASA Administrator Jared Isaacman will host Dace Melbārde, Latvia’s minister for education and science; Jānis Beķeris, chargé d’affaires at the Embassy of the Republic of Latvia to the United States; and Jacob Helberg, under secretary of state for economic affairs at the U.S. Department of State. This event is in person only. Media interested in attending must RSVP no later than 3 p.m. on Friday, April 17, to: hq-media@mail.nasa.gov . NASA’s  media accreditation policy  is online. The signing ceremony will take place in the James E. Webb Memorial Auditorium at NASA Headquarters in the Mary W. Jackson building, 300 E Street SW.…